package com.yxp.core.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {
	
	public EncodingFilter() {
		System.out.println("Filter 构造");
	}

	@Override
	public void destroy() {
		System.out.println("Filter 销毁");
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		
		request.setCharacterEncoding("utf-8"); //将编码改为utf-8
		response.setContentType("text/html;charset=utf-8");
		chain.doFilter(request, response);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		System.out.println("Filter 初始化");
	}

}
